DUCK WINGS

immature female mallard

have thinner, more worn, and pointed outer primaries

have thinner, more worn, and pointed outer primaries

female gadwall

white speculum bordered by black

male gadwall

have chestnut, reddish-brown, and black on their wing coverts

white speculum bordered by black

American wigeon female

poorly defined white/gray patch

American wigeon male

large, bright white patch on the upperwing

female northern pintail

dull brown or bronze speculum with less white

male northern pintail

iridescent green (or blackish) speculum with a white trailing edge

rufous tipped coverts

Lesser Scaup

white stops at secondaries

greater scaup

have a white stripe extending far onto the outer primary feathers

green-winged teal

Blue-winged/cinnamon teal

Blue-winged/cinnamon teal

male wood duck

iridescent blue-purple secondaries

small white trailing edge

female wood duck

large white trailing edge, teardrop

male northern shoveler

female northern shoveler